Paytm (One97 Communications Limited) Interview Experience for Fresher SDE - 1, Aug 2020

Posted: 4 Jan 2021

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Interview Rounds

Application Process

Round 1

Round 2

Round 3

Round 4

Interview Process

Online Coding Test

Moderate

Duration:

70 minutes

Interview-Date:

6 Aug 2020

Problems:

Timing: 6:00 pm
3 coding questions of medium to be solved in 70 minutes.

Maximum Subarray Sum

Given an array of numbers, find the maximum sum of any contiguous subarray of the array.

For example, given the array [34, -50, 42, 14, -5, 86], the maximum sum would be 1...

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Closest Leaf To Given Node In Binary Tree

Ninja is stuck in a maze which is in a form of a binary tree. He needs your help in order to get out.

Try Problem

Rotting Oranges

You have been given a grid containing some oranges. Each cell of this grid has one of the three integers values:

Value 0 - representing an empty cell.

Value 1 - r...

Try Problem

Preparation

Duration:

Topics:

Data Structures, Algorithms, DP, OOPS, Operating Systems, Computer Networks, DBMS

Preparation Tip

Tip 1 : DSA is the key. Starting from scratch, one can become proficients in a couple of months.
Tip 2 : Solve questions just a bit outside your comfort zone. Solve too easy to too hard questions is not of any use.
Tip 3 : Be consistent, make a habit of following good coding practices.
Tip 4 : Get to know the ins and out of your projects. You must be very confident while explaining those.
Tip 5 : Don't just directly to system-design, brush up on OOPS principles, networks, OS, DBMS before that.

Application Process

Where:

Campus

Eligibility:

None except no active backlogs

Resume Tip

Tip 1: Keep it crisp and to the point. Make bullet points.
Tip 2: Bold the things you want to be paid attention to. Use numbers rather than vague sentences.
Tip 3: Only put the things you are confident about.
Tip 4: Don't put things irrelevant to the job, it only dilutes the main content.

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